Back to EveryPatent.com
United States Patent | 6,021,872 |
Sevilleja ,   et al. | February 8, 2000 |
A brake release mechanism for an elevator machine includes apparatus to reduce the braking force on the machine shaft. The apparatus may be actuated from a position located remotely from the machine.
Inventors: | Sevilleja; Jose (Madrid, ES); Sanduval; Jose M. (Madrid, ES) |
Assignee: | Otis Elevator Company (Farmington, CT) |
Appl. No.: | 864415 |
Filed: | May 28, 1997 |
Current U.S. Class: | 187/350; 187/266 |
Intern'l Class: | B66B 005/00 |
Field of Search: | 187/350,263,250,351,266 |
2941625 | Jun., 1960 | Souza | 187/42. |
4284175 | Aug., 1981 | Ishii et al. | 187/29. |
5201821 | Apr., 1993 | Ericson et al. | 187/20. |
5492200 | Feb., 1996 | Korhonen | 187/350. |
5680911 | Oct., 1997 | Wang | 187/263. |
Foreign Patent Documents | |||
0662444A2 | Jul., 1995 | EP. | |
1281649 | Oct., 1968 | DE. | |
29604779U1 | Jul., 1996 | DE. | |
29615921 | Feb., 1997 | DE. |